Status of Napoli scanning laboratory
OPERA Emulsion Workshop, Nagoya, 7/12/2006
F. Di Capuaon behalf of Napoli group
MicroscopesID Name HW Configuration SW Configuration Status
1 NAP_MIC1 Standard Standard Hardware setup completed and sofware settings in
progress2 NAP_MIC2 Almost Standard Standard Software settings available3 NAP_MIC3 Standard Standard Software settings available5 NAP_MIC5 Standard+z reading Standard Software settings
available
1122
33
55
MIC 1
Final Hardware configuration: Camera
MC1310 SNr: 30013
X-Y
MS-8, Id.No.: 6316-5-006; S/N: 03050063
Z
LS-110, Id.No.:6236-5-109; S/N: 05040096
Microscope assembled
HW SW
Last Sysal release is present
Software check ongoing:Tracking efficiency measurement with reference emulsions are in progress
Software installed
MIC 2
Final Hardware configuration: Camera
MC1310 SNr: 30110
X-Y
MS-8, Id.No.: 6316-5-012; S/N: 05040069
Z
MT-85, Id.No.:6242-5-102; S/N: 03060022 Hardware setup completed:Z-Slant
TXoffset = 0.8 mrad, TYoffset = 2 mrad
Pixel/micron ratio
Rx = 0.302, Ry = - 0.304
Microscope assembled
Last Sysal release is present
Software setup completed:By using reference films (CERN July 2006) test beam emulsions the tracking efficiency was measured
Software installed
HW SW
MIC 2
Activities: PEANUT
Brick BL033: General scanning, SFT-Brick alignment, vertex analysis
DB-driven scan-back not yet started
Efficiencies:Plate 0 mrad 100 mrad 200 mrad 300 mrad1 76.3±1.9 75.3±1.9 74.9±2.072.4±2.52 83.0±1.4 83.6±1.2 79.1±1.8
77.4±2.13 83.4±1.4 85.1±1.2 77.3±2.1
71.7±2.94 84.1±1.4 89.1±0.8 85.0±1.3
84.5±1.55 90.6±0.7 86.6±1.0 89.4±0.8 82.7±0.86 90.3±0.8 95.2±0.3 87.3±1.0 82.3±1.07 90.0±0.8 88.2±0.9 85.3±1.3 82.5±1.38 91.9±0.7 91.6±0.6 89.3±0.981.9±0.9Average: 86.2±1.7 86.8±1.5 83.4±2.1 79.4±2.5
Efficiency test: = 4 found out of 5
8 plates were scanned (from 50-51 to 50-58 of CERN July 2006 test beam)
Done with standard filter.
Good results, but large plate by plate fluctuations
Physical Background: 23 tr/mm2 inside Tx,Ty = 450 mrad
MIC 3
Final Hardware configuration: Camera
MC1310 SNr: 30108
X-Y
MS-8, Id.No.: 6316-5-006; S/N: 04020075
Z
LS-110, Id.No.:6236-5-109; S/N: 04020080Hardware setup completed:Z-Slant
TXoffset = 0.6 mrad, TYoffset = 1.2 mrad
Pixel/micron ratio
Rx = 0.302, Ry = - 0.303
Microscope assembled
HW SW
Last Sysal release is present
Software setup completed:
By using reference films (CERN July 2006) test beam emulsions the tracking efficiency was measured
Software installed
MIC 3
Activities: Hadronic interaction studies
Large area scan: multiple scattering and vertexing study at several energies
DB-driven scan-back
Nov 2004 plates: low density pion scan-back, vertex analysis
Dry objective test
CS doublets
CS pilot scanning
Efficiency test:Several tests were performed with different bricks (CERN Jul2006 and Nov2004 test beam) and different filters
CERN refreshed emulsions:Pions (Nov2004) scanned with new filter
-150 mrad 150 mrad
(3 GeV) (2 GeV)
90.9±0.6 % 92.5±0.2 %OPERA-like emulsions: 7 GeV pions (Jul2006)
With standard filter With new filter
16 mrad 340 mrad 16 mrad 120mrad 190mrad 340mrad
81% 75% 92.7±0.8 84.5±1.6 87.2±1.3 81.0±2.6Background with new filter: 4.7 (2.6) tracks/mm2 inside Tx = 450 mrad, Ty = 100 mrad
Hadronic interactions studies (MIC3)
Multiprong Trident Kink
4 bricks with high density pions of several energies (2÷5 GeV)For each brick 36 cm2/plate scanning area (scanning almost completed)
Expected more than 3000 pion interactions (the analysis is in progress)
MIC 5
Final Hardware configuration: Camera
MC1310 SNr: 30103
X-Y
MS-8, Id.No.: 6316-5-012; S/N: 05040064
Z
LS-110, Id.No.:6236-5-109; S/N: 05040031
Microscope assembled
HW SW
Last Sysal release is present
Software installed
Software setup completed:
By using reference films (CERN July 2006) test beam emulsions the tracking efficiency was measured
This microscope will be used as pilot stage for hardware and software tests:
- New Sysal software
- New tracking program
- Camera adaptor to increase the pixel/micron ratio
MIC 5
OPERA-like emulsions: 7 GeV pions (Jul2006)
Single refreshed Double refreshed
16 mrad 340 mrad 100 mrad 400mrad
90.4±1.0% 86.5±2.1% 92.1±0.9 86.4±1.8
Microscopes laboratory Mic2 and Mic3 in acquisition
Humidifiers systems Temperature and humidity sensors
Temperature and humidity control
Average temperature = 21.9±0.1(max) ºC
Average humidity = 67±1(max) %
T/time = (0.03 ºC)/min
H/time = (0.4 %)/min
Period = 6 min
Summary of scanning activities
Mic2: Peanut scan-back and vertex analysisMic3: Hadronic interactions studies and Scan back procedure optimization Mic5: Test for tracking efficiency improvements and background reductionMic1: Scanning of the bricks from pilot extractions
4 microscopes fully operative at nominal speed